Change the license in _oasis accordingly to the content of LICENSE
New function "status" which provides a way to show files not archived by
papiers. Use "papiers status".
New header for each file.
Merge branch 'tcpc'
Added a rename command

Rename the source files to match the title of the document.
Contribution adapted by Armael.
Slightly improve display of errors
Debug the status command.

Forgot about this buggy diff function; just use a hashtable.
Small cleanup